Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.93 μg/m³
0
55
155
255
425
605+
25.53 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
14.04 ppb
0
54
101
361
1250
2050+
0.49 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union City, New Jersey
Union City, New Jersey
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AQI 27
Good
5.09μg/m³
PM2.5
22.55μg/m³
PM10
25.14ppb
O3
0.24ppb
SO2
14.48ppb
NO2
0.50ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
22.09μg/m³
PM10
24.85ppb
O3
0.24ppb
SO2
14.82ppb
NO2
0.50ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
21.76μg/m³
PM10
24.66ppb
O3
0.24ppb
SO2
15.10ppb
NO2
0.50ppm
CO
AQI 27
Good
4.87μg/m³
PM2.5
21.61μg/m³
PM10
24.26ppb
O3
0.25ppb
SO2
15.28ppb
NO2
0.52ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
21.76μg/m³
PM10
24.66ppb
O3
0.24ppb
SO2
15.10ppb
NO2
0.50ppm
CO
AQI 27
Good
4.92μg/m³
PM2.5
21.84μg/m³
PM10
23.76ppb
O3
0.25ppb
SO2
15.63ppb
NO2
0.55ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 11:00:00 on 2026-09-20.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 11:00:00 on 2026-09-20.
As of now, the AQI in Union City, New Jersey is 27, indicating Good conditions.
Union City, New Jersey air has the highest levels of PM2.5.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 5.184 μg/m3.
The PM10 concentration in Union City, New Jersey is 22.932 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.492 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.245 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 25.533 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 14.037 ppb.
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